12534291450 has 288 divisors, whose sum is σ = 36735029760. Its totient is φ = 3053635200.

The previous prime is 12534291409. The next prime is 12534291467. The reversal of 12534291450 is 5419243521.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 37867785 + ... + 37868115.

Almost surely, 2^12534291450 is an apocalyptic number.

12534291450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12534291450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18367514880).

12534291450 is an abundant number, since it is smaller than the sum of its proper divisors (24200738310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12534291450 is a wasteful number, since it uses less digits than its factorization.

12534291450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 12534291450 in words is "twelve billion, five hundred thirty-four million, two hundred ninety-one thousand, four hundred fifty".